From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 772E2C4360C for ; Tue, 2 Mar 2021 12:06:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4568E64F11 for ; Tue, 2 Mar 2021 12:06:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1443432AbhCBLro (ORCPT ); Tue, 2 Mar 2021 06:47:44 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44044 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349461AbhCBIZK (ORCPT ); Tue, 2 Mar 2021 03:25:10 -0500 Received: from mail-vk1-xa2f.google.com (mail-vk1-xa2f.google.com [IPv6:2607:f8b0:4864:20::a2f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E6D59C06178C for ; Tue, 2 Mar 2021 00:24:22 -0800 (PST) Received: by mail-vk1-xa2f.google.com with SMTP id m25so4232974vkk.6 for ; Tue, 02 Mar 2021 00:24:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=szeredi.hu; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=gHK4JnR63Uj2zkrrF0LLWE9CLFkTJjc+hf2aOe/76Qk=; b=H/j9/7gFw2DSIIxJWfE2/xBE/Yg6n7P5kS9sLr9CPF4trQJhsqEROta/M/bJ2QXUx1 TQ6HkVmR1tbSst1LKtM6ER7UutBYwy8dJBQ6TQmywRbBLBARcPDat0b8LD9rVXgdmzb7 91wMygTfcwxGZgI3YCAuTNY3wTtGet27V8P4Y= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=gHK4JnR63Uj2zkrrF0LLWE9CLFkTJjc+hf2aOe/76Qk=; b=jsGlS9zGXMxQQyvNy0pUcmMSK4dxESxVF4zBaziz+9Dsl8VvSoiGbIbqpgxrrn9au2 duz8fWTqSRncb09K6j6eijPp/zdztRRgvGxIxE+qXNf4SzEw+eeid6MFrhTKhVjR1Rp1 JKD8wQ4wffF3urhU/TwTWfEBGAn7Y8UDhaGT0jIOEfT0uAdpm9oh2xgq9CKpICEdNcnW x2oo0dSES1Tz6Gd1MWDvs4ad6147r2IhP+M49KAfUW0iGVVwyrS2Tew6EyKr4g/4RXfz 04T0bnxqOrIRlBIRjMKl6lxu5LfSp5gqn8tUfskqSNBRdaPCGiKNUf26A8XxIxnQ39uD sx5A== X-Gm-Message-State: AOAM532isurST/OTxrjv99j4XLJm7dlyQPFQehzVFyvpXGA1MKcMXuus CgfLXnoxq7VgocuSfjQWT1PFm41ypIdG3IU9uTFc3g== X-Google-Smtp-Source: ABdhPJyg9uJQlZeySdGkEzfeIqtfA4o+qgIsYZgchqZTEcO+yLujsqLgEc5JPQT91SzH6AgPgzXtE+ck7+u+S9tYeO8= X-Received: by 2002:a05:6122:33:: with SMTP id q19mr10246650vkd.23.1614673462060; Tue, 02 Mar 2021 00:24:22 -0800 (PST) MIME-Version: 1.0 References: <20210228002500.11483-1-sir@cmpwn.com> <20210228022440.GN2723601@casper.infradead.org> <20210228040345.GO2723601@casper.infradead.org> <20210301190903.GD14881@fieldses.org> <20210301193537.GS2723601@casper.infradead.org> In-Reply-To: <20210301193537.GS2723601@casper.infradead.org> From: Miklos Szeredi Date: Tue, 2 Mar 2021 09:24:10 +0100 Message-ID: Subject: Re: [RFC PATCH] fs: introduce mkdirat2 syscall for atomic mkdir To: Matthew Wilcox Cc: "J. Bruce Fields" , Drew DeVault , linux-fsdevel@vger.kernel.org, Linux API , Aleksa Sarai Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On Mon, Mar 1, 2021 at 8:42 PM Matthew Wilcox wrote: > (as an aside, i think there's a missing feature in posix -- being able > to atomically replace one directory with another. RENAME_EXCHANGE. Thanks, Miklos